Basic EJB Tutorial

Hello there!
Probably this is the wrong forum to post this, but since I couldn't find where to do it, here it goes...
Does anybody know where I can find an EJB tutorial that develops a BASIC example with source code and that uses NETBEANS IDE with its embedded server, like SJSAS 9?
Thank you very much for your time... and
God Bless

Thank you very much sir,
Does anybody know in which forum should I post in order to get more replies on this topic ?
Thanks in advance !

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Basic EJB access question

Hi ,
I am learning the basic EJB and trying to write my first piece of code.
I wrote a HelloWorld.jar(EJB) and deployed it in Websphere server.
Then I wrote a standalone java program with main method to access the EJB client. As per the tutorial..
public void callEJB()
          try
               java.util.Properties env = new java.util.Properties();
               env.put(javax.naming.Context.INITIAL_CONTEXT_FACTORY,"com.ibm.websphere.naming.WsnInitialContextFactory");
               env.put(javax.naming.Context.PROVIDER_URL,"iiop://localhost:2809/");
               javax.naming.Context initial = new javax.naming.InitialContext(env);
               //Object objref =(javax.naming.Context)initial.lookup("java:comp/env/HelloWorld");
               Object objref =initial.lookup("ejb/ejb/demo/HelloWorldHome");
               System.out.println(objref.getClass());
               HelloWorldComponent helloRef = (HelloWorldRemote)PortableRemoteObject.narrow(objref, HelloWorldComponent.class);
          }catch(Exception e){e.printStackTrace();}
How will my code compile???? Because HelloWorldComponent is on the application server, but my client is on a different server. It cannot find the HelloWorldComponent class right??
What should I do now?
Thanks.

env.put(javax.naming.Context.PROVIDER_URL,"iiop://localhost:2809/");you should change the localhost to the server's IP address instead since you are running the client from another computer. hope this will work.
cheers,
clarence

Sun ejb tutorial compilation problem with sample code

I have been trying to follow the ejb tutorial off of Sun's web site. However, I get the following problem when I try to compile the sample code.
prompt>javac Demo.java
works fine
Prompt>javac DemoBean.java
works fine
Prompt>javac DemoHome.java
DemoHome.java:23: cannot resolve symbol
symbol : class Demo
location: interface ejb.demo.DemoHome
public Demo create() throws CreateException, RemoteException;
^
1 error
Prompt>
Can anyone help me out as I have tried several books which conveniently skip the part about compiling errors.
I noticed I don't have a CLASSPATH variable and then i created one with just '.' in it and that didn't work. any help would be appreciated as this is driving me crazy. Thanks.

try to change the order of the exception.
first RemoteException and then CreateException

Encountering Problems with Basic Sound Tutorial

Hello everyone,
I am encountering problems with a basic sound tutorial. I am absolutely confused as to what the problem may be because the code is so simple, and is essentially copied from the textbook. I am convinced that I have done something very silly but cannot see it.
I have attempted to run this in an appletviewer, Firefox and Internet Explorer. I have attempted to launch it from both a .class file and a .jar file. I have uninstalled and offline installed the JDK and JRE and successfully tested the new installations.
The audio file I am attempting to load and play is an .AU (Sun/Next 8-bit u-law) audio file I created in Audacity. It is located in the same folder as the AudioApplet.class file.
My sound system is defintely on, since I have listened to music all day. I have attempted running the program with Media Player closed.
package edu.myuniversityid.sandbox;
import java.applet.Applet;
import java.applet.AudioClip;
* @author Ibuki
public class AudioApplet extends Applet
     * Initialization method that will be called after the applet is loaded
     * into the browser.
    public void init()
        super.init();
        AudioClip ac = this.getAudioClip(this.getDocumentBase(), "sample.au");
        ac.play();
}The code compiles fine, however absolutely I get a small white window when it is run. No sound.
Thankyou for your time.
Regards,
Ibuki.
PS. I am sure this worked before the university forced me to update my version of Windows to SP2. Hence, the reason for reinstalling Java. Twice.
Edited by: Ibuki on Jan 31, 2008 11:09 AM becasuse: Added a PS.

I have attempted this alternative, without success:
    public void init()
        try
            super.init();
            URL url = new URL(this.getDocumentBase(), "sample.au");
            AudioClip ac = this.getAudioClip(url);
            ac.play();
        catch (MalformedURLException ex)
            Logger.getLogger(AudioApplet.class.getName()).log(Level.SEVERE, null, ex);
    }The sample.au is definetly in the correct directory. Both File Explorer and NetBeans confirm this.
Edited by: Ibuki on Jan 31, 2008 11:59 AM
I have discovered a temporary solution that works in the applet viewer. The applet will load and plays the correct music perfectly. However, using this code it is not working when I try to deploy it using a web browser (MSIE and FF)!
public void init()
        super.init();
        AudioClip ac = this.getAudioClip(this.getClass().getResource("sample.au"));
        ac.play();
Edited by: Ibuki on Jan 31, 2008 12:12 PM
Eureka!
Having worked in the applet viewer I managed to get it working in the web browser by simply packaging my SoundApplet.class and sample.au into a .jar archive.
<html>
     <body>
          <applet code="edu.myuniversityid.sandbox.AudioApplet.class" archive="dist/AudioApplet.jar">Unfortunately, this applet content cannot be displayed on this web page because your current browser does not support Java SE 6! Please <a href="http://www.java.com/">update your version of Java</a>.</applet>
     </body>
</html>
public void init()
        super.init();
        AudioClip ac = this.getAudioClip(this.getClass().getResource("sample.au"));
        ac.play();
    }Thankyou everyone.
This thread can be closed if applicable. I'm not aware of the current moderation policy on this forum.
Edited by: Ibuki on Jan 31, 2008 12:12 PM

Simple Step-by-Step Weblogic+EJB Tutorial

Anyone know of a simple step-by-step weblogic+ejb tutorial? Online?
Thanks,
Rocky

See my signature line.. Book and examples are still free for download. WL6.1
only at this point, but not for long.
Check out my WebLogic 6.1 Workbook for O'Reilly EJB Third Edition
www.oreilly.com/catalog/entjbeans3 or www.titan-books.com
"Rocky" <[email protected]> wrote in message
news:3cd95d54$[email protected]..
>
Anyone know of a simple step-by-step weblogic+ejb tutorial? Online?
Thanks,
Rocky

JDev EJB Tutorial problem

JDev v.9.0.3.2(build 1145)
Using the built-in help facility instructions on the EJB Tutorial, I am stuck on Part 5; Step 1.
(Copied directly from tutorial)
*****begin tutorial instructions*******
Step 1: Adding a Create Method to the Entity Bean
The first step is to add a new create() method on the Dept entity bean.
To add a new create() method: In the Navigator, double-click Dept to open the EJB Module Editor.
Expand the node for Dept and click the Methods node.
In the Method Category list, choose Create methods.
Click Add.
In the Method Details dialog box, in the Parameters field, type the following:Long deptno, String dname, Long manager, Long location Click OK to close the dialog.
Your new create() method appears in the list of methods. Click OK to close the EJB Module Editor.
To add code to the Dept entity bean: In the Navigator, expand the node for the Dept bean and double-click DeptBean.java.
In the Structure pane, double-click ejbCreate(long, String, long, long) to jump to that method in the code.
Replace the stub method with the following code:
public DeptPK ejbCreate(Long deptno, String dname, Long manager, Long location)
this.setDepartment_id(deptno);
this.setDepartment_name(dname);
this.setManager_id(manager);
this.setLocation_id(location);
return new DeptPK(deptno);
In the Navigator, right click DeptBean.java and choose Make DeptBean.java to make sure it compiles without errors.
*****end of tutorial instrucions*********
I cannot get the 'hrApp' EJB to compile.
The compiler complaint:
Error(18,10): class DeptPK not found in class hr.impl.DeptBean
Error(24,16): class DeptPK not found in class hr.impl.DeptBean
Any recommendations are appreciated.
Thanks,
Robert Stuart

Mistake: misnamed the bean in problem statement.
I meant to say the 'DeptBean' (not hrApp EJB) did not compile, using sample code from instructions.
Surely someone can help.
Robert

Basic Template tutorial

Suggestions for an easy to use basic template tutorial?
1) Specifically I want to create a template with a navbar
similar to this one:
www.mulberrywood.com
2) Without the center text and images
3) And with the bottom text links to other pages.
For some reason when I manually copy the text links at the
bottom of the page they never link correctly... I have to use the
link box at the bottom of the page to erase the link and then paste
in the link and then they always work...

> I am seeking a very easy to follow tutorial (preferably
with step by step
> examples) so that I can make this specific template (and
others) myself.
Did you read the tutorial at the dw template tutorial link I
supplied?
>
> Also I am seeking a reason why when I manually copy and
paste text links
> such
> as those at the bottom of the page the links never work.
Yet when I
> quickly
> erase the links (leaving the text) and then redo the
links by pasting the
> www....... in agian they always work. I am sure taht
there is a very
> simple
> logical reason but what
I'm not exactly sure you are having the copy and paste
problem, but I would
assume it's because the links aren't being recognised
correctly.
Ok, I'll give you the steps to take to create a template from
that mulberry
page.
Make sure the page you want to create a template from is
correctly coded,
the links are correct, the links to graphics are correct
extra.
1.Open the site you want to work on. ( you need to be working
in a defined
DW site for templates to be created correctly
2.Open the index page (which is the one I presume you want to
create into a
template).
3.Leave everything as it is.
4. Go to FILE>SAVE AS TEMPLATE
5. You will get a dialogue box..
with the Site box already filled in (should be the name of
you defined site)
Save As: give your template a name (eg: mainpage)
Save
6. You will be asked to update links. Say yes
7. You now need to create an editable region (this is the
area that you
will be changing on every page).
8. Highlight the center table in your content area
9. Go to : INSERT>TEMPLATE OBJECTS> select Editable
Region
10. Dialogue box: Name: maincontent (or whatever you want to
call this
editable region)
11. Click OK
12. You have now created a template.
the code around your table should now look like this:

<table> bla bla bla </table>

13. Now if you want to create a 'child page' from this
template go to:
FILE>NEW> and select the TEMPLATES tab
You should now see the name of the template you create.
13. Select the template and a page will now be created for
you.
You should now see a page exactly the same as your index page
(if that is
what you used to create the template), except that you can't
change anything
in any area apart from that middle table.
14. You now need to save this page.
SAVE AS: services.html (or whatever).
Make sure you save the file to the root of your folder (where
all your other
files are kept, DO NOT save into the template folder) You are
not to have
anything in the Templates folder apart from the dwt file.
15. Your bottom links in your template file (dwt) will look
something like
this:
a href="../howtofoldpocketsquares/pocketsquarefolds.htm"
This is because once the template is created, the link needs
to point to the
root of your site.
When you look at the same link in the child page you created
it will look
like this:
a href="howtofoldpocketsquares/pocketsquarefolds.htm"
That's about it. You cannot however, apply this template to
your other
pages. You can, however, it may be difficult for a novice to
accomplish
until they understand how templates work.
If you managae to create the template, you will have to
create a child page
and then copy and paste the contents from your other pages
into that
maincontent editable region you create.
Another thing to remember is that in your template, make sure
when / if you
add links to make them Relative to: document. This way, your
linking should
always be correct.
For when you want to create a new template at any other time
(not with this
site), the steps are pretty similar. Create your page, save
as template,
add any editable regions you need and follow the steps from
there.
PS: I did notice in your code, that you are using <th>
in your tables
instead of <tr>
<th> is really used for headings, you should be using
<tr> table rows.
When you insert a table, there should be a dialogue box,
where you need to
DESELECT header rows.
Anything that gets put into a <th> gets a bold
formatting, which is not what
you really want when you create a table correctly.
This table tutorial may also be of some help to you:
http://www.dwfaq.com/Tutorials/Tables/flexible_tables.asp
Phew !! I think that's about it and I hope this helps, at
least a bit ;-)
Nadia
Adobe� Community Expert : Dreamweaver
http://www.csstemplates.com.au
- CSS Templates | Free Templates
http://www.DreamweaverResources.com
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EJB Tutorial

Hi,
somebody know good EJB Tutorial with Weblogic-examples. The EJB-Tutorial on Sun was to short for me.
Thanx!

http://www.amazon.com/exec/obidos/ASIN/0130911119/qid=1000943895/sr=1-2/ref=sr_1_2_2/002-1103791-8676014

EJB - Tutorial giving error in Weblogic 8.1 Deployment - Help

I am a EJB newbie, i tried deploying the Demo.jar and i get the following error on deployment
Please help
Thanks in Advance
drg
Exception:weblogic.management.ApplicationException: prepare failed for Demo Module: Demo Error: Exception preparing module: EJBModule(Demo,status=NEW) Unable to deploy EJB: Demo.jar from Demo.jar: In EJB DemoBean, references to javax.ejb.EJBContext, javax.ejb.SessionContext, or javax.ejb.EntityContext must not be transient. at weblogic.ejb20.compliance.EJBComplianceChecker.check(EJBComplianceChecker.java:268) at weblogic.ejb20.compliance.EJBComplianceChecker.checkDeploymentInfo(EJBComplianceChecker.java:232) at weblogic.ejb20.ejbc.EJBCompiler.complianceCheckJar(EJBCompiler.java:810) at weblogic.ejb20.ejbc.EJBCompiler.checkCompliance(EJBCompiler.java:766) at weblogic.ejb20.ejbc.EJBCompiler.doCompile(EJBCompiler.java:200) at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:476) at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:407) at weblogic.ejb20.deployer.EJBDeployer.runEJBC(EJBDeployer.java:493) at weblogic.ejb20.deployer.EJBDeployer.compileJar(EJBDeployer.java:784) at weblogic.ejb20.deployer.EJBDeployer.compileIfNecessary(EJBDeployer.java:700) at weblogic.ejb20.deployer.EJBDeployer.prepare(EJBDeployer.java:1339) at weblogic.ejb20.deployer.EJBModule.prepare(EJBModule.java:498) at weblogic.j2ee.J2EEApplicationContainer.prepareModule(J2EEApplicationContainer.java:3142) at weblogic.j2ee.J2EEApplicationContainer.prepareModules(J2EEApplicationContainer.java:1583) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1227) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1070) at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareContainer(SlaveDeployer.java:2513) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer(SlaveDeployer.java:2463) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeployer.java:2379) at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:866) at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:594) at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java:508) at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:25) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178) weblogic.ejb20.compliance.ComplianceException: In EJB DemoBean, references to javax.ejb.EJBContext, javax.ejb.SessionContext, or javax.ejb.EntityContext must not be transient. at weblogic.ejb20.compliance.SessionBeanClassChecker.checkEJBContextIsNotTransient(SessionBeanClassChecker.java:69) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at weblogic.ejb20.compliance.EJBComplianceChecker.check(EJBComplianceChecker.java:278) at weblogic.ejb20.compliance.EJBComplianceChecker.checkDeploymentInfo(EJBComplianceChecker.java:232) at weblogic.ejb20.ejbc.EJBCompiler.complianceCheckJar(EJBCompiler.java:810) at weblogic.ejb20.ejbc.EJBCompiler.checkCompliance(EJBCompiler.java:766) at weblogic.ejb20.ejbc.EJBCompiler.doCompile(EJBCompiler.java:200) at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:476) at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:407) at weblogic.ejb20.deployer.EJBDeployer.runEJBC(EJBDeployer.java:493) at weblogic.ejb20.deployer.EJBDeployer.compileJar(EJBDeployer.java:784) at weblogic.ejb20.deployer.EJBDeployer.compileIfNecessary(EJBDeployer.java:700) at weblogic.ejb20.deployer.EJBDeployer.prepare(EJBDeployer.java:1339) at weblogic.ejb20.deployer.EJBModule.prepare(EJBModule.java:498) at weblogic.j2ee.J2EEApplicationContainer.prepareModule(J2EEApplicationContainer.java:3142) at weblogic.j2ee.J2EEApplicationContainer.prepareModules(J2EEApplicationContainer.java:1583) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1227) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1070) at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareContainer(SlaveDeployer.java:2513) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer(SlaveDeployer.java:2463) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeployer.java:2379) at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:866) at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:594) at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java:508) at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:25) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
[Deployer:149033]preparing application Demo on cosmosserver
[Deployer:149033]failed application Demo on cosmosserver
[Deployer:149034]An exception occurred for task [Deployer:149026]Deploy application Demo on cosmosserver.: Exception:weblogic.management.ApplicationException: prepare failed for Demo Module: Demo Error: Exception preparing module: EJBModule(Demo,status=NEW) Unable to deploy EJB: Demo.jar from Demo.jar: In EJB DemoBean, references to javax.ejb.EJBContext, javax.ejb.SessionContext, or javax.ejb.EntityContext must not be transient. at weblogic.ejb20.compliance.EJBComplianceChecker.check(EJBComplianceChecker.java:268) at weblogic.ejb20.compliance.EJBComplianceChecker.checkDeploymentInfo(EJBComplianceChecker.java:232) at weblogic.ejb20.ejbc.EJBCompiler.complianceCheckJar(EJBCompiler.java:810) at weblogic.ejb20.ejbc.EJBCompiler.checkCompliance(EJBCompiler.java:766) at weblogic.ejb20.ejbc.EJBCompiler.doCompile(EJBCompiler.java:200) at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:476) at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:407) at weblogic.ejb20.deployer.EJBDeployer.runEJBC(EJBDeployer.java:493) at weblogic.ejb20.deployer.EJBDeployer.compileJar(EJBDeployer.java:784) at weblogic.ejb20.deployer.EJBDeployer.compileIfNecessary(EJBDeployer.java:700) at weblogic.ejb20.deployer.EJBDeployer.prepare(EJBDeployer.java:1339) at weblogic.ejb20.deployer.EJBModule.prepare(EJBModule.java:498) at weblogic.j2ee.J2EEApplicationContainer.prepareModule(J2EEApplicationContainer.java:3142) at weblogic.j2ee.J2EEApplicationContainer.prepareModules(J2EEApplicationContainer.java:1583) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1227) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1070) at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareContainer(SlaveDeployer.java:2513) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer(SlaveDeployer.java:2463) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeployer.java:2379) at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:866) at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:594) at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java:508) at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:25) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178) weblogic.ejb20.compliance.ComplianceException: In EJB DemoBean, references to javax.ejb.EJBContext, javax.ejb.SessionContext, or javax.ejb.EntityContext must not be transient. at weblogic.ejb20.compliance.SessionBeanClassChecker.checkEJBContextIsNotTransient(SessionBeanClassChecker.java:69) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at weblogic.ejb20.compliance.EJBComplianceChecker.check(EJBComplianceChecker.java:278) at weblogic.ejb20.compliance.EJBComplianceChecker.checkDeploymentInfo(EJBComplianceChecker.java:232) at weblogic.ejb20.ejbc.EJBCompiler.complianceCheckJar(EJBCompiler.java:810) at weblogic.ejb20.ejbc.EJBCompiler.checkCompliance(EJBCompiler.java:766) at weblogic.ejb20.ejbc.EJBCompiler.doCompile(EJBCompiler.java:200) at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:476) at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:407) at weblogic.ejb20.deployer.EJBDeployer.runEJBC(EJBDeployer.java:493) at weblogic.ejb20.deployer.EJBDeployer.compileJar(EJBDeployer.java:784) at weblogic.ejb20.deployer.EJBDeployer.compileIfNecessary(EJBDeployer.java:700) at weblogic.ejb20.deployer.EJBDeployer.prepare(EJBDeployer.java:1339) at weblogic.ejb20.deployer.EJBModule.prepare(EJBModule.java:498) at weblogic.j2ee.J2EEApplicationContainer.prepareModule(J2EEApplicationContainer.java:3142) at weblogic.j2ee.J2EEApplicationContainer.prepareModules(J2EEApplicationContainer.java:1583) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1227) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1070) at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareContainer(SlaveDeployer.java:2513) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer(SlaveDeployer.java:2463) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeployer.java:2379) at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:866) at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:594) at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java:508) at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:25) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)

Could you post the code for your DemoBean?
I suspect that you are using a really old tutorial on EJB where the EJBContext, SessionContext or EntityContext were declared transient. This was, I believe, the case with EJB 1.0. You would need to remove the transient from the context declaration, if that is the case.

Solaris 10 basic network tutorial

Hi there,
I have a solaris 10 machine and a windows xp machine.
I have them linked up with a cross over cable.
I have set the IP on the windows machine to 192.168.0.100 on a subnet mask of 255.255.255.0
What i cannot seem to fathom (although i did manage it on linux, somehow) is how to configure the solaris machine.
Does anyone know of a good BASIC tutorial on how i can get the two machine networked. Basically, i would like to get ftp and telnet working between the machines.
Any help greatly appreciated.
Many thanks,
Andrew

Hi,
dmesg a system message log viewer.
It will tell you the 'instance name' of your network
card, but a whole lot else about devices and
boot histories.
So you need to run it, pipe the output into
a grep (search) for network, and pipe the
result of that into a grep for pci. I'm using your
network card will be some kind of PCI card
Here's what I get:
# dmesg | grep -i network | grep pci
Feb 7 19:13:59 ten genunix: [ID 408114 kern.info] /pci@1f,0/pci@1,1/network@1,1 (hme0) online
hme0 is therefore my interface name.
'hme' is the driver name, '0' is the first one.
# man hme
gives you the scarey driver details.
So I need to have /etc/hostname.hme0 in order
to have a hostname. Only one line in the file,
only one word in it -- the same as the hostname
you supplied in /etc/hosts.
On sparc, the drivers include hme, qfe, eri and le.
On x86, they include bcme and ibprb.
An x86 box with a one broadcom network card
will have bcme0.

EJB Tutorial problem

Hi everybody,
I try to do the tutorial for "Using EJBs in Web Dynpro".
[Link to Tutorial|/docs/DOC-8061#20 [original link is broken]]
But on page 14 I got problems.
I have to implement the constructor that throws an exception called "CreateException". But this cannot be resolved from my NWDS. I tried it with organizing imports but nothing happened so I tried to import the class manually with the coding
import javax.ejb.createexception;
It failed again. I think the library for this is missing. Anybody did the tutorial and solved the problem?
I am using NWDS 7.1 SP1 with SAP ehp 1.
Thx for any help.

Hi Gunter,
thx for your answer but I didn't understand it. Where did you find the point "used DC"? Can you send me a screenshot?
Link with E-Mail-Address
[http://forums.sdn.sap.com/profile.jspa?userID=3821530]
Thx a lot

Need ADF basic guidance Tutorial

i am newbie. As my current assignment i need to work on Jdevloper and ADF. Can somebody please give some guidance how to start with ADF.
If somebody can give some basic reference guide/tutorial it will be of great help.
sudip

There is a book specificallly targeted at those questions of "how do a learn JDeveloper" and "how do a learn ADF" - especially if you are a newbie.
The Quick Start Guide to Fusion Development Oracle JDeveloper and Oracle ADF aims to get you up and running with ADF applications in as short a time as possible.
Further details can be found here:
http://www.mhprofessional.com/product.php?isbn=0071744282
Regards
Grant
p.s. as the author, you might expect slight bias in recommending this book ;o) , but the reviews (from some well known names on the forums) have been positive as well.
http://www.amazon.com/Quick-Start-Oracle-Fusion-Development/dp/0071744282

New to JDeveloper, having problems with EJB tutorial.

Hi,
I'm new to the world of JDeveloper, I'm trying to follow this tutorial
http://st-curriculum.oracle.com/obe/jdev/obe11jdev/ps1/ejb/ejb.html
Firstly when I create an entity from a table I get the following error;
Starting Offline Database Synchronization
Generating classes for Entity CbsdSecurity...
Entity generation for CbsdSecurity failed.
I'm not really sure why this is, however I suspect this is at the heart of the problems.
If I continue I can get to the point where I create a EJB Diagram, however when I try to drag my autogenerated class onto the diagram I get the following error;
"Entity does not belong to Persistence Unit xxxxEJB which is associcated with Diagram EJB3.ejb_diagram"
In addition the log at the bottom has the following warnings.
23-Sep-2010 10:07:46 oracle.security.jps.internal.credstore.ssp.CsfWalletManager openWallet
WARNING: Opening of wallet based credential store failed. Reason java.io.IOException: PKI-02002: Unable to open the wallet. Check password.
23-Sep-2010 10:07:53 oracle.adf.share.jndi.ReferenceStoreHelper getReferencesMapEx
WARNING: Incomplete connection reference object for connection:fcs2ukd
Now my database connection doesn't seem to remember the password even though I have ticked the 'remember password' tick box.
I am developing under Windows XP using JDK1.6.0.21
If anyone could point out what I'm going wrong I would be very grateful.
Thanks
Rich
Edited by: Rich Carless on Sep 23, 2010 9:32 AM

Try to test Your DB connection in JDeveloper. Is it success?
Best regards, Debuger!

WebDynPro Basics and Tutorial

Hi Experts,
I want to learn Webdynpro ABAP, please provide me the basic info and any tutorial or any material.
Thanks in Advance,
Praveen

Use the following link
Tutorial ALV
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/60ea94e5-0901-0010-c3bb-aad5ea9620d8 [original link is broken]
Web Dynpro Java Foundation What's new in SAP NetWeaver 2004S
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/c29a4d25-0c01-0010-50ae-e69d0e1c61f3
SAP Web Dynpro Overview
http://wendtstud1.hpi.uni-potsdam.de/sysmod-seminar/SS2005/presentations/12-WebDynpro-Overview.ppt
Web Dynpro General Concepts
https://admin.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/30ea953b-8e57-2910-4e85-f7be60b00407 [original link is broken]
Web Dynpro
http://help.sap.com/saphelp_nw2004s/helpdata/en/15/0d4f21c17c8044af4868130e9fea07/frameset.htm
Web Dynpro for ABAP: Tutorials for Beginners
Web Dynpro for ABAP: Tutorials for Beginners [original link is broken]
Web Dynpro Architecture
http://help.sap.com/saphelp_nw04/helpdata/en/a5/1a1e3e7181b60ae10000000a114084/content.htm
Web Dynpro User Interface Design
https://www.sdn.sap.com/irj/sdn/webdynpro?rid=/webcontent/uuid/ce44a14c-0a01-0010-af89-d7dbd944f176 [original link is broken]
Getting Started with Web Dynpro Java
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/28113de9-0601-0010-71a3-c87806865f26?rid=/webcontent/uuid/8921447c-0501-0010-07b4-83bd39ffc7be [original link is broken]
Developing ABAP applications using Web Dynpro Configuration Scenario
http://www50.sap.com/businessmaps/8729920B31E343F099B71340B15F06DB.htm
http://www.sapforum.co.kr/TECHDAY07/download/9.%20SAP%20WebDynpro_%EA%B9%80%ED%98%9C%EC%84%AD.pdf
How-to add a custom Web Dynpro iView to the MSS Employee Profile (ECC 6.0)
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/profile/how-toaddacustomWebDynproiViewtotheMSSEmployeeProfile(ECC+6.0)&focusedCommentId=55238
Developing Java Applications using Web Dynpro Configuration Scenario
http://www50.sap.com/businessmaps/8F5B533C4CD24A59B11DE1E9BDD13CF1.htm
Integrating Web Dynpro and SAP NetWeaver Portal Part 1: Creating Web Dynpro-Based Portal Content
http://www.octavia.de/fileadmin/content_bilder/Hauptnavigation/SAP_NetWeaver/WebDynpro/Tutorial_1.pdf
The Structural Concepts of Web Dynpro Components
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/a048387a-0901-0010-13ac-87f9eb649381
Web Dynpro:Context Mapping & Model Binding
http://wendtstud1.hpi.uni-potsdam.de/sysmod-seminar/SS2005/presentations/14-Web_Dynpro_dataflow.pdf
Web Dynpro:Getting Involved
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/c193252d-0701-0010-f5ae-f10e09a6c87f
Web Dynpro for ABAP
http://www.vnsg.nl/temp/508773747/A1-WDA_Themadag.pdf
http://www.octavia.de/fileadmin/content_bilder/Hauptnavigation/SAP_NetWeaver/WebDynpro/Web_Dynpro_Part_IV.pdf
Web Dynpro for ABAP in SDN
https://www.sdn.sap.com/irj/sdn/developerareas/webdynpro?rid=/webcontent/uuid/512040e1-0901-0010-769c-c238c6ca35d9 [original link is broken]
Developing ABAP Applications Using Web Dynpro
http://help.sap.com/saphelp_nw2004s/helpdata/en/42/d41b25d2216babe10000000a1553f6/frameset.htm
Web Dynpro ABAP: Development in Detail
http://help.sap.com/saphelp_nw2004s/helpdata/en/03/0048413e466e24e10000000a155106/frameset.htm
WDA Sample programs & tutorials
https://www.sdn.sap.com/irj/sdn/developerareas/webdynpro?rid=/library/uuid/49f2ea90-0201-0010-ce8e-de18b94aee2d
Web Dynpro ABAP Demonstration Videos
/people/thomas.jung/blog/2006/06/20/web-dynpro-abap-demonstration-videos
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/28113de9-0601-0010-71a3-c87806865f26?rid=/webcontent/uuid/fed073e5-0901-0010-4eb4-c9882aac7b11 [original link is broken] [original link is broken]
As the name suggests Web Dynpro for ABAP uses exactly the same meta model as its cousin Web Dynpro for Java. A Web Dynpro component, a Web Dynpro view, a Web Dynpro model, a Web Dynpro controller have the same semantics both for ABAP and Java. The main difference is the designtime environment, the development infrastructure and the runtime environment.
The designtime environment is properly embedded in the ABAP Workbench where Web Dynpro artifacts are simply a new category like BSP applications or classical dynpro based applications before. Also no surprises regarding the development infrastructure. The correction and transport system keeps track on all changes that are done, versions them and helps to propagate the Web Dynpro application from development to production like you would do with ordinary BSP or dynpro-based applications.
Last not least the execution platform is the ABAP server that produces application content ready to be integrated in the NetWeaver Portal seamlessly. Features like portal eventing can be used between applications written in ABAP or applications developed with Java.
First of all start doing SAP SDN tutorials .
Create some compenents with BAPI , Component usage and ALV .
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/02e1fa45-0801-0010-10a0-f1cf47e8c943
/people/marilyn.pratt/blog/2005/12/20/web-dynpro-for-abap
Try to Download demo tutorials from SDN library & Try to search WebDynpro ABAP WebLogs .
Wait not just that SAP has provided you with ample demo example of WD ABAP already bundled with SAP . Just Try out Components starting with WDR . I can tell you few like WDR_TEST_EVENTS ( It shows how every UI elments to use )
See packages like SWDP_DEMO , SALV_WD_DEMO
refer to these links
Web Dynpro ABAP: Development in Detail
http://help.sap.com/saphelp_nw2004s/helpdata/en/03/0048413e466e24e10000000a155106/frameset.htm
WDA Sample programs & tutorials
https://www.sdn.sap.com/irj/sdn/developerareas/webdynpro?rid=/library/uuid/49f2ea90-0201-0010-ce8e-de18b94aee2d
Web Dynpro ABAP Demonstration Videos
/people/thomas.jung/blog/2006/06/20/web-dynpro-abap-demonstration-videos
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/28113de9-0601-0010-71a3-c87806865f26?rid=/webcontent/uuid/fed073e5-0901-0010-4eb4-c9882aac7b11 [original link is broken] [original link is broken]
This is a video blog which demonstrates all webdynpro topics.
/people/thomas.jung/blog/2006/06/20/web-dynpro-abap-demonstration-videos
Reward points..

Run the example of ejb tutorial ...

When I run the example of "Enterprise JavaBeansTM Tutorial:
Building Your First Stateless Session Bean"--DemoClient,(Weblogic server 6.0,
win 2000) ,I met a probelm.
Following is the error information:
C:\bea\wlserver6.0\CLASSES>java -Djava.naming.factory.initial=weblogic.jndi.Teng
ahInitialContextFactory -Djava.naming.provider.url=t3://localhost:7001 ejb.demo.
DemoClient
begin DemoClient...
=> Error <=
javax.naming.NoInitialContextException: Cannot instantiate class: weglogic.jndi.
T3InitialContextFactory. Root exception is java.lang.ClassNotFoundException: we
glogic.jndi.T3InitialContextFactory
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:297)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)
at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:195)
at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.jav
a:45)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:6
55)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:246
at javax.naming.InitialContext.init(InitialContext.java:222)
at javax.naming.InitialContext.<init>(InitialContext.java:198)
at ejb.demo.DemoClient.getInitialContext(DemoClient.java:58)
at ejb.demo.DemoClient.main(DemoClient.java:15)
End DemoClient...
Any guidance will be appreciated!
Thanks, Yu

I managed to fix my problem, hopefully thissolution
will help you as well.
I discovered that the following entries arerequired
in the jndi.properties file in order to lookupEJB's
using JNDI from a client application:
java.naming.factory.initial=com.sun.jndi.cosnaming.CNCt
Factory
java.naming.provider.url=iiop://localhost:1050
Note that my environment uses the j2ee server fromSUN
running on the localhost on port 1050.
If you can locate the proper settings for theweblogic
server, then you can try this solution on for size.
One quick question: When I try to run my client
against the Ref. Implementation like this:
java -Dorg.omg.CORBA.ORBInitialHost=localhost
-Dorg.omg.CORBA.ORBInitialPort=1050
-Djava.naming.factory.initial=com.sun.jndi.cosnaming.CN
txFactory
-Djava.naming.provider.url=iiop://localhost:1050
com.sld.role.ValidationClient
I get the following error:
javax.naming.NamingException: java:comp/env namespace
is only available from within a J2EE component.
This stinks. All I can find out is that Sun wants you
to use runclient, which is silly. My client is trying
to resolve the JNDI name:
"java:comp/env/ejb/ValidationSessionBean"
Any idea why this isn't working?
Thanks....
-ScottGot it working. Here's how:
In the client's CLASSPATH I have three things: j2ee.jar, the client jar file generated by the server during deployment, and my client class files. I took out all of the -D stuff above and it still works. (With or without it.) I haven't tried it from another machine yet - I may need them for that.
The client uses the JNDI name "ValidationSessionBean", not "java:comp/env/ejb/ValidationSessionBean" and it now can bind to it.
I wish Sun would have given out this kind of info with their J2EE tutorial, instead of just pushing their runclient script, which uses their own client class.
-Scott

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